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104413231 = 138031787
BaseRepresentation
bin1100011100100…
…11100000101111
321021110202000201
412032103200233
5203212210411
614205534331
72405332516
oct616234057
9237422021
10104413231
1153a3622a
122ab743a7
131882a4a0
14dc1d67d
1592773c1
hex639382f

104413231 has 4 divisors (see below), whose sum is σ = 112445032. Its totient is φ = 96381432.

The previous prime is 104413229. The next prime is 104413241. The reversal of 104413231 is 132314401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104413231 - 21 = 104413229 is a prime.

It is a super-2 number, since 2×1044132312 = 21804245615718722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104413199 and 104413208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104413241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4015881 + ... + 4015906.

It is an arithmetic number, because the mean of its divisors is an integer number (28111258).

Almost surely, 2104413231 is an apocalyptic number.

104413231 is a deficient number, since it is larger than the sum of its proper divisors (8031801).

104413231 is an equidigital number, since it uses as much as digits as its factorization.

104413231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8031800.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 104413231 is about 10218.2792582704. The cubic root of 104413231 is about 470.8889633872. Note that the first 3 decimals are identical.

Adding to 104413231 its reverse (132314401), we get a palindrome (236727632).

The spelling of 104413231 in words is "one hundred four million, four hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 13 8031787 104413231